bisecting cause commit starting from 38a288f5941ef03752887ad86f2d85442358c99a building syzkaller on 8b277b8e2ac2f385eec24532a4786cc4ad12e9ae testing commit 38a288f5941ef03752887ad86f2d85442358c99a compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0412b41dfb4f92cf082343d8caf3f1e292d5b6fd79edb80f0e2de2f7ba6ba9a0 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: INFO: task hung in hci_dev_do_open run #2: crashed: INFO: task hung in hci_dev_do_open run #3: crashed: INFO: task hung in hci_dev_do_open run #4: crashed: INFO: task hung in hci_dev_do_open run #5: crashed: INFO: task hung in hci_dev_do_open run #6: crashed: INFO: task hung in hci_dev_do_open run #7: crashed: INFO: task hung in hci_dev_do_open run #8: crashed: INFO: task hung in hci_dev_do_open run #9: crashed: INFO: task hung in hci_dev_do_open run #10: crashed: INFO: task hung in hci_dev_do_open run #11: crashed: INFO: task hung in hci_dev_do_open run #12: crashed: INFO: task hung in hci_dev_do_open run #13: crashed: INFO: task hung in hci_dev_do_open run #14: crashed: INFO: task hung in hci_dev_do_open run #15: crashed: INFO: task hung in hci_dev_do_open run #16: crashed: INFO: task hung in hci_dev_do_open run #17: crashed: INFO: task hung in hci_dev_do_open run #18: crashed: INFO: task hung in hci_dev_do_open run #19: OK testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3b1088e0ffd0adb64e59f49ac9b501e409b4ba3afe6a7434c38e16551b4f8b33 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8c8cd11e872a84dc6a3cb86b506878660a558b377c59d0da9c8fdbff10fb7acd all runs: OK # git bisect start f443e374ae131c168a065ea1748feac6b2e76613 df0cc57e057f18e44dac8e6c18aba47ab53202f9 Bisecting: 6995 revisions left to test after this (roughly 13 steps) [22ef12195e13c5ec58320dbf99ef85059a2c0820] Merge tag 'staging-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit 22ef12195e13c5ec58320dbf99ef85059a2c0820 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c00c1fb0b57dae601abf3b6e5789d24150995dfe21def5e0d0cd6d8be9c7d9b5 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: OK run #7: OK run #8: OK run #9: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #18: OK run #19: OK # git bisect bad 22ef12195e13c5ec58320dbf99ef85059a2c0820 Bisecting: 4385 revisions left to test after this (roughly 12 steps) [9bcbf894b6872216ef61faf17248ec234e3db6bc] Merge tag 'media/v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit 9bcbf894b6872216ef61faf17248ec234e3db6bc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 15aea6e9f219df3ad4473e69a777302132b640c4f2f1e3f9e332af58fd9c6c2f all runs: OK # git bisect good 9bcbf894b6872216ef61faf17248ec234e3db6bc Bisecting: 2194 revisions left to test after this (roughly 11 steps) [208dd45d8d050360b46ded439a057bcc7cbf3b09] tcp: tcp_send_challenge_ack delete useless param `skb` testing commit 208dd45d8d050360b46ded439a057bcc7cbf3b09 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 6a8f96812ecc9cfe9e88654c1a60f18435ceb31045c6aaf72d63258ee8fccf34 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: OK run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: OK run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 208dd45d8d050360b46ded439a057bcc7cbf3b09 Bisecting: 1100 revisions left to test after this (roughly 10 steps) [9e6b19a66d9b6b94395478fe79c5a3ccba181ad3] bpf: Fix typo in a comment in bpf lpm_trie. testing commit 9e6b19a66d9b6b94395478fe79c5a3ccba181ad3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 650780aede0dffe79cdd8e6ceb10449eb1251ebb3874fe3340a5c9a014d24780 run #0: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #1: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #2: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #3: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #4: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #5: basic kernel testing failed: WARNING in linkwatch_do_dev run #6: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #7: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #8: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #9: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #10: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #11: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #12: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #13: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #14: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #15: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #16: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #17: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #18: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #19: basic kernel testing failed: WARNING: refcount bug in __sk_destruct # git bisect skip 9e6b19a66d9b6b94395478fe79c5a3ccba181ad3 Bisecting: 1100 revisions left to test after this (roughly 10 steps) [5562d5f6c71b0a4c93a7280b7de8710c2eb6b35d] mt76: mt7915: rely on mt76_connac definitions testing commit 5562d5f6c71b0a4c93a7280b7de8710c2eb6b35d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3e09063a385069e3260414c0ec612aece0d358db7f53558e9aedf9bbf4ea7257 run #0: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.234:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.234 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.61:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.61 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.5:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.5 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.200:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.200 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.33:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.33 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.34:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.34 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.153:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.153 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.159:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.159 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.243:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.243 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.242:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.242 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.13:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.13 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.119:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.119 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.91:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.91 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.37:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.37 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.38:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.38 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.40:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.40 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.45:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.45 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.11:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.11 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.18:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.18 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.26:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.26 port 22: Connection timed out lost connection # git bisect skip 5562d5f6c71b0a4c93a7280b7de8710c2eb6b35d Bisecting: 1100 revisions left to test after this (roughly 10 steps) [ae089a8191764ba39d2867293eab5e7a9627f12c] net: sparx5: populate supported_interfaces member testing commit ae089a8191764ba39d2867293eab5e7a9627f12c compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: eecc4588c6d6877c111630db34a18b2e36892139ea8d60d3ccd3c9c67221a8fe all runs: OK # git bisect good ae089a8191764ba39d2867293eab5e7a9627f12c Bisecting: 1007 revisions left to test after this (roughly 10 steps) [2c865a8a28a10e9800a3dd07ca339d24563e3d65] netfilter: nf_tables: add rule blob layout testing commit 2c865a8a28a10e9800a3dd07ca339d24563e3d65 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b2f17cd2e80ed67206ddb533060265ee3a22f33439205fa5b25861b36c6dd206 run #0: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.116:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.116 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.31:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.31 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.33:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.33 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.34:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.34 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.36:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.36 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.37:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.37 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.40:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.40 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.45:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.45 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.46:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.46 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.47:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.47 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.49:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.49 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.18:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.18 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.50:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.50 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.51:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.51 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.54:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.54 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.56:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.56 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.55:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.55 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.57:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.57 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.147:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.147 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.59:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.59 port 22: Connection timed out lost connection # git bisect skip 2c865a8a28a10e9800a3dd07ca339d24563e3d65 Bisecting: 1007 revisions left to test after this (roughly 10 steps) [46334a0cd21bed70d6f1ddef1464f75a0ebe1774] bpf: Define enum bpf_core_relo_kind as uapi. testing commit 46334a0cd21bed70d6f1ddef1464f75a0ebe1774 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c7ce27012145fe6e7d944df77125a4b8b653568df6edb961124f8cdb3539c154 all runs: OK # git bisect good 46334a0cd21bed70d6f1ddef1464f75a0ebe1774 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [4a80e026981b791da3937470ace84796490c7796] netfilter: nft_meta: cancel register tracking after meta update testing commit 4a80e026981b791da3937470ace84796490c7796 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b1ba092f9c539b0f3c6471f2cfed183807deced4f2747ab6c9937675a4b7923d run #0: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.95:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.95 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.130:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.130 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.60:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.60 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.199:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.199 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.228:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.228 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.73:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.73 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.88:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.88 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.106:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.106 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.18:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.18 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.29:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.29 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.33:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.33 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.34:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.34 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.36:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.36 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.38:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.38 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.40:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.40 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.43:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.43 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.45:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.45 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.46:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.46 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.153:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.153 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.47:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.47 port 22: Connection timed out lost connection # git bisect skip 4a80e026981b791da3937470ace84796490c7796 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [be5650f8f47e8cffbbbcad08b71103685e971f20] netfilter: nft_bitwise: track register operations testing commit be5650f8f47e8cffbbbcad08b71103685e971f20 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3cafde6c4144c5849eca1e602e214903334db6a85f3cf836284ddb05dda99606 run #0: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.127:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.127 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.89:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.89 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.18:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.18 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.20:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.20 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.22:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.22 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.33:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.33 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.139:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.139 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.29:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.29 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.36:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.36 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.241:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.241 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.9:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.9 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.37:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.37 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.54:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.54 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.38:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.38 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.74:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.74 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.81:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.81 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.82:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.82 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.125:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.125 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.126:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.126 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.5:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.5 port 22: Connection timed out lost connection # git bisect skip be5650f8f47e8cffbbbcad08b71103685e971f20 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [1bb412d46ca9df90a3fe4b704f5385f03621455d] net_tstamp: define new flag HWTSTAMP_FLAG_BONDED_PHC_INDEX testing commit 1bb412d46ca9df90a3fe4b704f5385f03621455d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ca8668421ea63eee6444f10a4f160e080eabdeea65a68d67dce050a2f4ede3dc run #0: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.62:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.62 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.66:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.66 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.69:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.69 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.70:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.70 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.40:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.40 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.71:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.71 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.74:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.74 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.75:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.75 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.78:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.78 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.81:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.81 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.88:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.88 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.96:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.96 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.97:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.97 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.101:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.101 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.103:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.103 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.164:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.164 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.104:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.104 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.106:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.106 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.108:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.108 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.82:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.82 port 22: Connection timed out lost connection # git bisect skip 1bb412d46ca9df90a3fe4b704f5385f03621455d Bisecting: 1000 revisions left to test after this (roughly 10 steps) [c9c5608fafe4dae975c9644c7d14c51ad3b0ed73] wcn36xx: populate band before determining rate on RX testing commit c9c5608fafe4dae975c9644c7d14c51ad3b0ed73 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: da4ead84946483e819c2dd97332b212dfdceb41fb8f235321fc979625f198c7d all runs: OK # git bisect good c9c5608fafe4dae975c9644c7d14c51ad3b0ed73 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [c8a2a011cd04054a6577d8cf774adf9e09302876] net: dsa: sja1105: fix broken connection with the sja1110 tagger testing commit c8a2a011cd04054a6577d8cf774adf9e09302876 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d78d6c7dcec076a90cb9888ef5a3b2c28a1c7a478d2069a71cbcfebd1bd9014d all runs: basic kernel testing failed: WARNING: refcount bug in __sk_destruct # git bisect skip c8a2a011cd04054a6577d8cf774adf9e09302876 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [5fd32ae0433a7af37eac27ace3aabae8cb7c2fc4] libertas: Use struct_group() for memcpy() region testing commit 5fd32ae0433a7af37eac27ace3aabae8cb7c2fc4 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 840dde49c400c2932e0ac845f3fe7041970ffbc38615fc1871606e9c8206f979 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 5fd32ae0433a7af37eac27ace3aabae8cb7c2fc4 Bisecting: 100 revisions left to test after this (roughly 7 steps) [432b4941928b98fbe01f515fab6a7715c9dcebf6] Merge branch 'dpaa2-phylink' testing commit 432b4941928b98fbe01f515fab6a7715c9dcebf6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5d755e0ede5772461d3edd65c3205350fbc577fe39307da171e3544eb8af5d3e run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 432b4941928b98fbe01f515fab6a7715c9dcebf6 Bisecting: 49 revisions left to test after this (roughly 6 steps) [3244845c6307fa6f4fa2eabe5259d2c93c837dce] Bluetooth: hci_sync: Convert MGMT_OP_SSP testing commit 3244845c6307fa6f4fa2eabe5259d2c93c837dce compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e2969af39dbda9b0b60df01c4779581b016d1adf6bd17b75a1c48e249e35e05c all runs: OK # git bisect good 3244845c6307fa6f4fa2eabe5259d2c93c837dce Bisecting: 31 revisions left to test after this (roughly 5 steps) [28491d7ef4af471841e454f8c1f77384f93c6fef] Bluetooth: btusb: enable Mediatek to support AOSP extension testing commit 28491d7ef4af471841e454f8c1f77384f93c6fef compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ab0b3408e8f86fa4a7d250d57bed00dcd341a849fa45339d3f72dd48bc5e2b8e run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 28491d7ef4af471841e454f8c1f77384f93c6fef Bisecting: 8 revisions left to test after this (roughly 3 steps) [3a56ef719f0b9682afb8a86d64b2399e36faa4e6] Bluetooth: stop proccessing malicious adv data testing commit 3a56ef719f0b9682afb8a86d64b2399e36faa4e6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 129af0cbe980957aa7dc0bb2e08aaa919d59a93924dddd7fcf80d8547cf161d0 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: crashed: KASAN: use-after-free Read in hci_cmd_timeout # git bisect bad 3a56ef719f0b9682afb8a86d64b2399e36faa4e6 Bisecting: 4 revisions left to test after this (roughly 2 steps) [27592ca1fadf2d2a44bb24ecc5da604fd840d633] Bluetooth: hci_sync: Fix missing static warnings testing commit 27592ca1fadf2d2a44bb24ecc5da604fd840d633 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: eff0b9d42121622674efac6926b51f87e179548526184caaedb89122d79af314 run #0: OK run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: OK run #3: OK run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 27592ca1fadf2d2a44bb24ecc5da604fd840d633 Bisecting: 1 revision left to test after this (roughly 1 step) [182ee45da083db4e3e621541ccf255bfa9652214] Bluetooth: hci_sync: Rework hci_suspend_notifier testing commit 182ee45da083db4e3e621541ccf255bfa9652214 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ea4252a2e696e6eca41c0132ed19954a7185f6aa8c6cfa74594d82434eef97cf run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: OK run #3: OK run #4: OK run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 182ee45da083db4e3e621541ccf255bfa9652214 Bisecting: 0 revisions left to test after this (roughly 0 steps) [d0b137062b2de75b264b84143d21c98abc5f5ad2] Bluetooth: hci_sync: Rework init stages testing commit d0b137062b2de75b264b84143d21c98abc5f5ad2 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 31d586c267af141addfe3070db3d72e08313a838af48d22a96b38e1b0d472c81 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: OK run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad d0b137062b2de75b264b84143d21c98abc5f5ad2 d0b137062b2de75b264b84143d21c98abc5f5ad2 is the first bad commit commit d0b137062b2de75b264b84143d21c98abc5f5ad2 Author: Luiz Augusto von Dentz Date: Wed Oct 27 16:58:59 2021 -0700 Bluetooth: hci_sync: Rework init stages This moves the init stages to use the hci_sync infra and in addition to that have the stages as function tables so it is easier to change the command sequence. Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Marcel Holtmann include/net/bluetooth/hci_sync.h | 1 + net/bluetooth/hci_core.c | 1203 +--------------------- net/bluetooth/hci_sync.c | 2053 ++++++++++++++++++++++++++++++++++---- 3 files changed, 1854 insertions(+), 1403 deletions(-) culprit signature: 31d586c267af141addfe3070db3d72e08313a838af48d22a96b38e1b0d472c81 parent signature: e2969af39dbda9b0b60df01c4779581b016d1adf6bd17b75a1c48e249e35e05c Reproducer flagged being flaky revisions tested: 24, total time: 6h25m6.020102579s (build: 2h41m19.094375755s, test: 3h40m59.62505739s) first bad commit: d0b137062b2de75b264b84143d21c98abc5f5ad2 Bluetooth: hci_sync: Rework init stages recipients (to): ["davem@davemloft.net" "johan.hedberg@gmail.com" "kuba@kernel.org" "linux-bluetooth@vger.kernel.org" "luiz.dentz@gmail.com" "luiz.von.dentz@intel.com" "marcel@holtmann.org" "marcel@holtmann.org" "netdev@vger.kernel.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: KASAN: use-after-free Read in hci_cmd_timeout ================================================================== BUG: KASAN: use-after-free in hci_cmd_timeout+0x1e5/0x1f0 net/bluetooth/hci_core.c:1474 Read of size 2 at addr ffff888018e9d408 by task kworker/0:1/4416 CPU: 0 PID: 4416 Comm: kworker/0:1 Not tainted 5.15.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events hci_cmd_timeout Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x6c/0x309 mm/kasan/report.c:256 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 hci_cmd_timeout+0x1e5/0x1f0 net/bluetooth/hci_core.c:1474 process_one_work+0x87f/0x1450 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Allocated by task 986: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] ____kasan_kmalloc mm/kasan/common.c:472 [inline] __kasan_kmalloc+0xa4/0xd0 mm/kasan/common.c:522 kmalloc include/linux/slab.h:591 [inline] batadv_forw_packet_alloc+0x2c6/0x3c0 net/batman-adv/send.c:519 batadv_iv_ogm_aggregate_new+0xf3/0x480 net/batman-adv/bat_iv_ogm.c:563 batadv_iv_ogm_queue_add net/batman-adv/bat_iv_ogm.c:671 [inline] batadv_iv_ogm_schedule_buff+0xbc0/0x1030 net/batman-adv/bat_iv_ogm.c:850 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:869 [inline] batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:862 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x59f/0x8f0 net/batman-adv/bat_iv_ogm.c:1713 process_one_work+0x87f/0x1450 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Freed by task 3577: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free mm/kasan/common.c:328 [inline] __kasan_slab_free+0xff/0x130 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1700 [inline] slab_free_freelist_hook+0x81/0x190 mm/slub.c:1725 slab_free mm/slub.c:3483 [inline] kfree+0xe4/0x530 mm/slub.c:4543 skb_free_head net/core/skbuff.c:653 [inline] skb_release_data+0x500/0x640 net/core/skbuff.c:675 skb_release_all net/core/skbuff.c:740 [inline] __kfree_skb net/core/skbuff.c:754 [inline] kfree_skb net/core/skbuff.c:772 [inline] kfree_skb+0xe0/0x2c0 net/core/skbuff.c:766 hci_dev_open_sync+0x765/0x1990 net/bluetooth/hci_sync.c:3896 hci_dev_do_open+0x23/0x60 net/bluetooth/hci_core.c:482 hci_power_on+0xf6/0x4c0 net/bluetooth/hci_core.c:963 process_one_work+0x87f/0x1450 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Last potentially related work creation: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_record_aux_stack+0xe9/0x110 mm/kasan/generic.c:348 insert_work+0x42/0x300 kernel/workqueue.c:1353 __queue_work+0x4a5/0xc80 kernel/workqueue.c:1519 call_timer_fn+0x163/0x4a0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1461 [inline] __run_timers.part.0+0x3b0/0x890 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0x9c/0x190 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 The buggy address belongs to the object at ffff888018e9d400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes inside of 512-byte region [ffff888018e9d400, ffff888018e9d600) The buggy address belongs to the page: page:ffffea000063a700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x18e9c head:ffffea000063a700 order:2 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea00006a8300 0000000200000002 ffff88800fc41c80 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 526, ts 4712550840, free_ts 0 prep_new_page mm/page_alloc.c:2424 [inline] get_page_from_freelist+0xa6f/0x2f50 mm/page_alloc.c:4153 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5375 alloc_slab_page mm/slub.c:1763 [inline] allocate_slab mm/slub.c:1900 [inline] new_slab+0x319/0x490 mm/slub.c:1963 ___slab_alloc+0x923/0xfe0 mm/slub.c:2994 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3081 slab_alloc_node mm/slub.c:3172 [inline] slab_alloc mm/slub.c:3214 [inline] kmem_cache_alloc_trace+0x293/0x2b0 mm/slub.c:3231 kmalloc include/linux/slab.h:591 [inline] kzalloc include/linux/slab.h:721 [inline] alloc_bprm+0x4c/0x850 fs/exec.c:1505 kernel_execve+0x37/0x3e0 fs/exec.c:1945 call_usermodehelper_exec_async+0x2c1/0x500 kernel/umh.c:112 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 page_owner free stack trace missing Memory state around the buggy address: ffff888018e9d300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888018e9d380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888018e9d400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888018e9d480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888018e9d500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================